High-temperature-resistant anti-aging electric power insulation material and production method thereof

Abstract

The invention relates to a high-temperature-resistant anti-aging electric power insulation material. The high-temperature-resistant anti-aging electric power insulation material is prepared by adopting the following raw materials: 30 to 50 parts of EPDM, 12 to 20 parts of a plasticizing agent, 2 to 5 parts of chloroplatinic acid, 10 to 15 parts of rubber softening oil, 1 to 2 parts of a lubricating agent, 20 to 36 parts of ceramic powder, 15 to 25 parts of graphite powder, 8 to 18 parts of quartz sand, 2 to 20 parts of clay, 4 to 30 parts of magnesite, 42 to 50 parts of dolomite, 20 to 38 parts of lime powder, 5 to 20 parts of pine oil, 10 to 35 parts of silica gel, 12 to 20 parts of silicon nitride powder, 25 to 30 parts of glass fibers, 50 to 55 parts of polyvinyl chloride, 60 to 90 parts of polyvinyl alcohol, 40 to 45 parts of polycarbonate, 20 to 30 parts of sodium succinate, 32 to 45 parts of polydimethylsiloxane and 15 to 50 parts of hydroxyethyl cellulose. The length of the glass fiber is preferably 3 to 5 mm, the pore volume of the silica gel is 0.4 to 0.5 ml / g, and the average bore diameter is 3 to 4 nm.

Description

technical field [0001] The invention relates to the technical field of electric insulation materials, in particular to a high temperature and anti-aging electric insulation material and a manufacturing method thereof. Background technique [0002] According to the national standard GB2900.5, the definition of insulating material is "the material used to make the device electrically insulated". That is, a material that prevents the passage of electric current. Its resistivity is very high, usually in the range of 1~10Ω.m. As in an electric motor, the insulation around the conductors isolates the turns from each other and from the grounded stator core to ensure safe operation of the motor. At present, the application range of electrical insulation materials is getting wider and wider, and the requirements for their performance are getting higher and higher. Insulation performance is only the basic performance it should have, and its anti-aging is particularly important. El...

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Problems solved by technology

The above-mentioned insulating materials generally have certain insulating properties, but the anti-aging properties often fail to meet the expected requirements.

In order to overcome the above-mentioned defects, many types and compositions of electrical insulation materials have been prepared in the prior art; for example, Chinese invention patent CN101469118A discloses a polymer material for an electric watch case, which has insufficient mechanical strength and heat resistance. The service life is short, so it is not widely used; CN103421225A discloses an electrical insulating material, which has good thermal conductivity and fire resistance, but poor aging resistance

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